I voted Askarov, but that's mostly wishful thinking, since I don't follow Wallstedt. Askarov certainly has some glaring flaws in his game that will be worked on. I think he'll always be "adventurous" in terms of style, but he has other things like his glove he really needs to fix, even if he retains some of the other positioning weaknesses that drive the conservative goalie school types crazy.
At the same time, if Askarov gets hurt or starts to lose his quick legs and flexibility, what does have to fall back on?
Anyway, as a Predators fan I still wouldn't consider trading Askarov for any other goalie prospect. He's got so much "fun factor" in terms of his style and personality that it will be entertaining to have him around even if he doesn't turn out to be better.